Find the ratio of the lengths of an iron rod and a n aluminium rod for which the difference in lenghts is independent of temperature.Cofficients of linear expansion of iron and aluminium are 12 X 10-6 / 0 C and 23 X10-6 /o C respectively.HOW T O APPROACH THIS PROBLEM AND WHAT'S THE ROLE OF \"DIFFERENCE IN LENGHTS IS INDEPENDENTOF TEMPERATURE IN SOLVIN THE PROBLEM\"

Navjyot Kalra , 11 Years ago

Grade 10